Patent · US Expired

Absorbent for the dry removal of sulfur dioxide and like components of an exhaust gas

US4526703A · kind A · utility

6Cited by

11References

2Claims

0Family size

Assignee

Rheinisch-Westfalisches Elektrizitatswerk Aktiengesellschaft · DE

Inventors

Georg R. U. Gebhard · Bergneustadt, DE
Klaus Hein · Gedern, DE
Wolfgang Glaser · Graz, AT

Key dates

Filing date	Aug 26, 1983
Grant date	Jul 2, 1985
Priority date	—
Expiry date	Aug 26, 2003

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D53/508
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An absorbent for the dry removal of sulfur dioxide and other noxious and toxic components from a combustion flue gas which consists essentially of at least one finely divided alkaline-earth compound and an additive selected from the group which consists of at least one carboxylic acid or an alkali metal, alkaline-earth metal or ammonium salt thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.